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Troubleshooting 119
1
Click
Start
, and then right-click
Computer
.
2
Click
Properties
→
Device Manager
.
NOTE: The User Account Control window may appear. If you are an
administrator on the computer, click Continue; otherwise, contact your
administrator to continue.
Scroll down the list of devices and check for an exclamation point (a circle with
a [
!]
) next to the device name
. If an exclamation point is next to the device
name, you may need to reinstall the driver or install a new driver (see
"Reinstalling Drivers and Utilities" on page 119).
Reinstalling Drivers and Utilities
NOTICE: The Dell Support website at support.dell.com and your Drivers and
Utilities media provide approved drivers for Dell computers. If you install drivers
obtained from other sources, your computer might not work correctly.
Using Windows Device Driver Rollback
If a problem occurs on your computer after you install or update a driver, use
Windows Device Driver Rollback to replace the driver with the previously
installed version.
1
Click
Start
, and then right-click
Computer
.
2
Click
Properties
,
and then click
Device Manager
.
NOTE: The User Account Control window may appear. If you are an
administrator on the computer, click Continue; otherwise, contact your
administrator to enter the Device Manager.
3
Right-click the device for which the new driver was installed and click
Properties
.
4
Click the
Drivers
tab, and then click
Roll Back Driver
.
If Device Driver Rollback does not resolve the problem, use System Restore
(see "Restoring Your Microsoft® Windows Vista® Operating System" on
page 122) to return your computer to the operating state that existed before
you installed the new driver.
book.book Page 119 Tuesday, October 7, 2008 6:05 PM